Suppo II (also Suppo III in the familial genealogy) (Italian: ''Suppone'') (died circa 879) was the

Duke of Spoleto The Duke of Spoleto was the ruler of Spoleto and most of central Italy outside the Papal States during the Early and High Middle Ages (c. 500 – 1300). The first dukes were appointed by the Lombard king, but they were independent in practice. Th ...

from 871 until his death. He was the ''archiminister'' (archminister) and ''consiliarius'' (counsellor) of the Emperor Louis II. In 869-870 he travelled to Constantinople as imperial missus together with

Anastasius the Librarian Anastasius Bibliothecarius (c. 810 – c. 878) was the chief archivist and librarian () of the Holy See and also briefly a claimant to the papacy. Early life He was a nephew of Bishop Arsenius of Orte, who executed important commissions a ...

, to negotiate a peace with the Byzantines. Throughout Louis's reign he was the most powerful lay magnate in Italy. He was a member of the

Supponid The Supponids were a Franks, Frankish nobility, noble family of prominence in the Carolingian ''regnum Italicum'' in the ninth century. They were descended from Suppo I, who appeared for the first time in 817 as a strong ally of the Holy Roman Emper ...

family and was related to Louis's empress, Engelberga, and also to Suppo, count of

Parma Parma (; ) is a city in the northern Italian region of Emilia-Romagna known for its architecture, Giuseppe Verdi, music, art, prosciutto (ham), Parmesan, cheese and surrounding countryside. With a population of 198,986 inhabitants as of 2025, ...

Asti Asti ( , ; ; ) is a ''comune'' (municipality) of 74,348 inhabitants (1–1–2021) located in the Italy, Italian region of Piedmont, about east of Turin, in the plain of the Tanaro, Tanaro River. It is the capital of the province of Asti and ...

, and

Turin Turin ( , ; ; , then ) is a city and an important business and cultural centre in northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital from 1861 to 1865. The city is main ...

, his cousin. After Louis's death, at first he supported

Carloman of Bavaria Carloman (, ; c. 830 – 22 March 880) was a Frankish king of the Carolingian dynasty. He was the eldest son of Louis the German, king of East Francia, and Hemma, daughter of a Bavarian count. His father appointed him governor of Carantania in ...

for the Italian throne. After

Charles the Bald Charles the Bald (; 13 June 823 – 6 October 877), also known as CharlesII, was a 9th-century king of West Francia (843–877), King of Italy (875–877) and emperor of the Carolingian Empire (875–877). After a series of civil wars during t ...

obtained the crown, he pacified with him but in February 876 he was stripped of the duchy of Spoleto, in favour of the previous duke, Lambert I. Suppo III died between March 877, when he is mentioned in a document, and August 879, when a letter from

Pope John VIII Pope John VIII (; died 16 December 882) was the bishop of Rome and ruler of the Papal States from 14 December 872 to his death. He is often considered one of the most able popes of the 9th century. John devoted much of his papacy to attempting ...

laments his death. Suppo's wife was a sister of

Eberhard of Friuli Eberhard (c. 815 – 16 December 867) was the Frankish Duke of Friuli from 846. His name is alternatively spelled Everard, Evrard, Erhard, or Eberard; in Latinized fashion, ''Everardus'', ''Eberardus'', or ''Eberhardus''. He wrote his own name "E ...

and he had a son named Unroch, who in turn had a son named Rudolph.

Sources

*Wickham, Chris. ''Early Medieval Italy: Central Power and Local Society 400-1000''. MacMillan Press: 1981. *Hlawitschka, Eduard. ''Franken, Alemannen, Bayern und Burgunder in Oberitalien (774-962)'', 1960 {{DEFAULTSORT:Suppo 02 of Spoleto 9th-century dukes of Spoleto Supponid dynasty 9th-century births 879 deaths Year of birth unknown Year of death uncertain